Gear shift knob for automobile



FIG. 1 is a front perspective view of a gear shift knob for automobile showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof. 

The ornamental design for a gear shift knob for automobile, as shown and described. 